This circuit for generating precise reference signals was found in the April 1973 issue of Radio Electronics magazine. The circuit generates 100 kHz signals according to the crystal used.
This circuit can generate pulses whose width is controlled in the 100k potentiometer and the...
Found in a 1965 General Electric documentation, this circuit is intended to control a 150 W lamp...
This two-transistor circuit was found in a 1969 US documentation. Modern equivalent transistors can...